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Finding the Fourth Proportional to 242.54, 334.75 and 168.83

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Solution

The fourth proportional to 242.54, 334.75 and 168.83 is: 233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.54 : 334.75 = 168.83 : x
  2. Step 2: Convert to fraction form
    242.54/334.75 = 168.83/x
  3. Step 3: Cross multiply
    242.54x = 334.75 × 168.83
  4. Step 4: Simplify right side
    242.54x = 56,514.17
  5. Step 5: Solve for x
    x = 56,514.17/242.54
  6. Step 6: Final answer
    x = 233.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.